DB.Migrator().DropTable(&UserWithUniqueIndex{})
	if err := DB.AutoMigrate(&UserWithUniqueIndex{}); err != nil {
		t.Fatalf("failed to migrate, got %v", err)
	}

	if !DB.Migrator().HasIndex(&UserWithUniqueIndex{}, "idx_name") {
		t.Errorf("Failed to find created index")
	}

	if !DB.Migrator().HasIndex(&UserWithUniqueIndex{}, "idx_user_with_unique_indices_u_name") {
		t.Errorf("Failed to find created index")
	}

                    } else {
                        String idName = result.group(2);
                        if (idName.isEmpty()) {
                            errorsForFile.add(new Error(lineNumber, line, "Missing section reference for link to " + fileName));
                        } else {
                            if (!fileContainsText(referencedFile, "[[" + idName + "]]")) {

	"database/sql/driver"
	"errors"
	"fmt"
	"math"
	"path/filepath"
	"runtime"
	"strings"
	"testing"
	"time"
)

func TestIsInvalidDBNameChar(t *testing.T) {
	for _, db := range []string{"db", "dbName", "db_name", "db1", "1dbname", "db$name"} {
		if fields := strings.FieldsFunc(db, IsInvalidDBNameChar); len(fields) != 1 {
			t.Fatalf("failed to parse db name %v", db)
		}
	}
}

func TestCheckTruth(t *testing.T) {

 */
public class CoordinatorHelper {

    private static final Logger logger = LogManager.getLogger(CoordinatorHelper.class);

    private static final String INDEX_NAME = "fess_config.coordinator";

    private static final String TYPE_HEARTBEAT = "heartbeat";

    private static final String TYPE_OPERATION = "operation";

    private static final String TYPE_EVENT = "event";

			if idx := stmt.Schema.LookIndex(name); idx != nil {
				name = idx.Name
			}
		}

		return m.DB.Raw(
			"SELECT count(*) FROM information_schema.statistics WHERE table_schema = ? AND table_name = ? AND index_name = ?",
			currentDatabase, stmt.Table, name,
		).Row().Scan(&count)
	})

	return count > 0
}

// RenameIndex rename index from oldName to newName